1. Which natural disasters immediately contribute to the carbon in the atmosphere a. Active Volcanoes
b. Wildfires
c. Earthquakes
d. A and B are correct

2. Human activities add greenhouse gases to the atmosphere and in theory increase world climates therefore we are carbon (blank)
a. Sinks
b. Sources

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explanation:

d. planting trees

the trees take in carbon to make oxygen.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.